December weather forecastAcy, LA

December

Weather in December

December, the first month of the winter in Acy, is still a refreshing month, with an average temperature fluctuating between 62.2°F (16.8°C) and 47.7°F (8.7°C).

Temperature

The beginning of December brings a slight decrease in the average high-temperature, transitioning from an agreeable 68.9°F (20.5°C) in November to a refreshing 62.2°F (16.8°C). An average low-temperature of 47.7°F (8.7°C) marks the month of December.

Humidity

February and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In Acy, in December, during 10.7 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 151.5 rainfall days, and 18.62" (473mm) of precipitation is accumulated.

Snowfall

In Acy, snow does not fall in February through December.

Daylight

The month with the shortest days is December, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 6:42 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:13 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5.1h of sunshine.

UV index

December is the month with the lowest UV index in Acy, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 3 during December translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Acy in December has an average high-temperature of 62.2°F (16.8°C) and an average low-temperature of 47.7°F (8.7°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 104°F (40°C).

The months with the highest humidity are February and December, with an average relative humidity of 81%.

In Acy, the average relative humidity in December is 81%.

In December, the rain falls for 10.7 days. Throughout December, 1.3" (33mm) of precipitation is accumulated.

February through December are months without snowfall.

In Acy, in December, it doesn't snow. In January, it regularly snows.

The month with the shortest days is December, with an average of 10h and 12min of daylight.

In December, the average day length in Acy is 10h and 14min.

In December, on the first day of the month, sunrise is at 6:42 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:13 pm CST.

With an average of 5.1h of sunshine, December has the least sunshine of the year.

In December, the average sunshine duration is 5.1h.

The month with the lowest UV index in Acy is December, with an average maximum UV index of 3.

In Acy, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Acy, LA

  • Average high temperature in December: 62.2°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (59.2°F).

  • Average low temperature in December: 47.7°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (43.5°F).

Average pressure in December
Acy, LA

  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Acy, LA

  • Average wind speed in December: 6.7mph

The windiest months (with the highest average wind speed) are February and April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in December
Acy, LA

  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Acy, LA

  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is July (3.03").
The driest months (with the least rainfall) are March and November (0.98").

Average rainfall days in December
Acy, LA

  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (7.9 days).

Average snowfall in December
Acy, LA

  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Acy, LA

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Acy, LA

  • Average daylight in December: 10h and 12min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in December: 5h and 6min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
Acy, LA

  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (9.3 days).

Average UV index in December
Acy, LA

  • Average UV index in December: 3

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Acy, LA

  • Average cloud cover in December: 47

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 26).

Average visibility in December
Acy, LA

  • Average visibility in December: 6mi

The months with the highest visibility are January, February, June, July, August, October, November and December (6mi).
The months with the lowest visibility are March, April, May and September (5mi).